public function process_action($action_id)
{
try {
do_action('action_scheduler_before_execute', $action_id);
$action = $this->store->fetch_action($action_id);
$this->store->log_execution($action_id);
$action->execute();
do_action('action_scheduler_after_execute', $action_id);
$this->store->mark_complete($action_id);
} catch (Exception $e) {
$this->store->mark_failure($action_id);
do_action('action_scheduler_failed_execution', $action_id, $e);
}
$this->schedule_next_instance($action);
}
